Arduino Projects Ideas - Push Button LED
Components:
Push button
10kΩ resistor
LED + 220Ω resistor
Arduino UNO
Wiring:
Button between pin 2 and GND
10kΩ resistor from pin 2 to 5V (pull-up)
LED on pin 13 with resistor
Code:
void setup() {
pinMode(2, INPUT_PULLUP);
pinMode(13, OUTPUT);
}
void loop() {
if(digitalRead(2) == LOW) {digitalWrite(13, HIGH);
} else {digitalWrite(13, LOW);
}
}
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